<template>
  <div>
    <div style="width: 600px;margin:60px auto;padding: 20px 50px; background: #ffffff">
    <h1 style="margin: 30px auto; text-align: center">管理员登录</h1>
    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
      <el-form-item label="用户名" prop="username">
        <el-input v-model="ruleForm.username"></el-input>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input v-model="ruleForm.password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">登录</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      ruleForm: {
        username: 'hikari',
        password: '123456'
      },
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
          {min: 4, max: 15, message: '长度在 4 到 15 个字符', trigger: 'blur'}
        ]
      }
    };
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          let url = 'http://localhost:9181/admin/login';
          let formData = this.qs.stringify(this.ruleForm);

          this.axios.post(url, formData).then((response) => {
            let resultJson = response.data;

            if (resultJson.state == 20000) {
              const h = this.$createElement;
              this.$notify({
                title: '标题名称',
                message: h('i', {style: 'color: teal'}, '登录成功！')
              });
              // 将服务器传过来的JWT保存在localStorage里
              let jwt = resultJson.data;
              localStorage.setItem('localJwt',jwt);

              // 登陆成功后跳转到主页
              this.$router.push('/')
            } else {
              this.$alert(resultJson.message, '错误', {
                confirmButtonText: '确定',
                callback: action => {
                  // this.$message({
                  //   type: 'info',
                  //   message: `action: ${ action }`
                  // });
                }
              });
            }
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  }
}
</script>
<style>
body {
  background: #2c3e50;
}
</style>
